<script lang="ts"setup>
    import { onMounted,onUnmounted } from 'vue';
    onMounted(()=>console.log('about组件挂载了'))
    onUnmounted(()=>console.log('about组件卸载了'))
</script>
<template>
    <div>
        <h1>About关于我们</h1>
    </div>
</template>
<style scoped></style>